free from duties or responsibilities; "he writes in his leisure hours"; "life as it ought to be for the leisure classes"- J.J.Chapman; "even the artist and the sculptor were not regarded...as leisured men"- Ida Craven
an intricate knot tied by Gordius, the king of Phrygia, and cut by the sword of Alexander the Great after he heard that whoever undid it would become ruler of Asia
any very difficult problem; insoluble in its own terms
obtainable or accessible and ready for use or service; "kept a fire extinguisher available"; "much information is available through computers"; "available in many colors"; "the list of available candidates is unusually long"
convenient for use or disposal; "the house is available after July 1"; "2000 square feet of usable office space"
not busy; not otherwise committed; "he was not available for comment"; "he was available and willing to accompany her"